Fetal radiation dose during gestation estimated on an anthropomorphic phantom for three generations of CT scanners.

Objective: The purpose of this study is to determine fetal dose during four different stages of pregnancy for both pulmonary CT angiogram and abdominal and pelvic CT examination on 4-, 16-, and 64-MDCT scanners measured in an anthropomorphic phantom simulating a pregnant patient.

Materials And Methods: Pulmonary angiograms and abdominal and pelvic studies were performed on a phantom on 4-, 16-, and 64-MDCT scanners. Fetal positioning and mean fetal depth were determined using data from ultrasound examinations of a large cohort of patients.

Globe trauma.

In the United States, it is estimated that 3% of all emergency room visits are the result of eye injury, with many seen in combination with other orbital injuries. These often result from motor vehicle accidents and sports-related injuries. Clinical ophthalmologic examination is the key to rapid and accurate diagnosis of most ocular injuries.